Out-of-bounds read in Apache NimBLE - CVE-2025-53470
Published: January 8, 2026
Vulnerability identifier: #VU121106
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-53470
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Apache NimBLE
Apache NimBLE
Detailed vulnerability description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the HCI H4 driver. A local user can send a specially crafted HCI event to trigger an out-of-bounds read error and read contents of memory on the system.
How to mitigate CVE-2025-53470
Install updates from vendor's website.